Pyrophosphoric acid Pyrophosphoric acid syrupy CAS: 2466-09-3
Name: Pyrophosphoric acid
Synonyms: diphosphoric acid
CAS #: 2466-09-3, EC #: 219-574-0
Standard(s): HG/T3594 -1999
Grade: Technical grade, Pharmaceutical grade
Specifications | Technical grade | Pharmaceutical grade | ||
---|---|---|---|---|
Packing: | 35Kgs/drum, 330Kgs/drum, in PP drums or IBCs, or as customer's requirements. | |||
Assay (H4P2O7) % | 50.0 min | 45.0 min | ||
Color (Hazen) | 30 max | 20 max | ||
Chloride (Cl) % | 0.002 max | 0.002 max | ||
Sulphate (SO4) % | 0.008 max | 0.006 max | ||
Iron (Fe) % | 0.005 max | 0.002 max | ||
Arsenic (As) % | 0.001 | 0.0003 max | ||
Heavy metal (as Pb) % | 0.005 max | 0.001 max | ||
Phosphate (as P2O5 ) % | 42.5 min | 37.5 min |
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